All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC

 





Ricard Torres
U. Girona and ITAM
 
,
 
rtorres@itam.mx
 
 
 
 
 
 
JEL Areas:
C0 : Mathematical and Quantitative Methods: General
O3 : Technological Change; Research and Development: General